At least for this website it isn't your data but it is their data.
They are backing up their curated photos (which seems to pretty much be the whole business as they say in the article).
It appears they are using Akamai services to server their images so hopefully their is some extra redundancy there already.
Other than that it seems like it would be a steal to use s3 as a backup system at this point because from this article it looks like they need to hire another employee to tell them why this backup solution seems a bit silly (I mean having trouble setting up the hardware).
They are backing up their curated photos (which seems to pretty much be the whole business as they say in the article).
It appears they are using Akamai services to server their images so hopefully their is some extra redundancy there already.
Other than that it seems like it would be a steal to use s3 as a backup system at this point because from this article it looks like they need to hire another employee to tell them why this backup solution seems a bit silly (I mean having trouble setting up the hardware).